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expression

Vector only

(Wild type)

day0 day2 day4 day6 day9

Fig.10 Comparison of ASCs differentiation to adipocytes. Comparison of adipocyte differentiation between the #5 ASCs

infected lentivirus transfected vector only and deleted NICD overexpression with lentivirus in #5 ASCs.

0 5 10 15 20 25

day0 day2 day4 day6 day9

Vector NICD

R elat iv e m R N A ex pres s ion

Fig.11 Relative mRNA expression of NICD gene in ASCs sample. The relative expression values are depicted as the mean ± standard deviation of three biological replicates and correspond to the ratio between vector only(■) NICD overexpression (▧)

for each day point.

Gene Name Gene Symbol Net intensity {Ratio}

inhibitor of DNA binding 2 Id2 0.46

aldehyde dehydrogenase family 6, subfamily A1 Aldh6a1 0.32

ERO1-like (S. cerevisiae) // ERO1-like (S. cerevisiae) Ero1l // Ero1l 0.38 coiled-coil domain containing 85B // coiled-coil domain

containing 85B

Ccdc85b //

Ccdc85b 0.30

jagged 1 Jag1 0.47

transforming growth factor, beta 1 Tgfb1 0.46

Table.1 DNA Microarray:2DOWN

30 謝辞

本研究を行うにあたり親身なご指導と激励を賜りました、東北大学大学院 農学研究科 分子酵素学分野 内田隆史教授に心から感謝の意を表します。

本博士論文の副査を担当してくださり、精子幹細胞における実験を進める上で研究に関 する困難克服のための具体的な方策まで丁寧にご助言をいただきました 同大学 動物繁 殖生物学分野 原健士朗准教授に厚く御礼申し上げます。

分子酵素学分野 日高將文助教授には、日頃より研究における多大なご協力を頂きまし た。深く感謝いたします。

脂肪由来間葉系幹細胞の脂肪細胞分化の基盤を築いてくださった分子酵素学分野 卒業 生の皆様、研究活動を共に進めていただいた動物生殖科学分野 加茂祐樹さん、助け合いな がら研究生活を共にした分子酵素学研究室の皆様に深く感謝いたします。

研究室の事務仕事をとりまとめてくださいました研究補助員の藤森富美子さんにお礼申 し上げます。

最後に、大学院生活に理解を示してくれた家族、3 人の子供たち まりあ、龍生、莞爾に 深い感謝の意を表し、謝辞といたします。

31 学位(博士)論文の内容に関連する公表論文

・Suzuki A*, Saeki T, Ikuji H, Uchida C and Uchida T (2016) Brown Algae polyphenol, a prolyl isomerase Pin1 inhibitor, prevents obesity by inhibiting the differentiation of stem cells into adipocytes.

PLOS One 11(12) e0168830 (査読有)

・Suzuki A*, Kamo Y, Uchida C, Tanemura K, Hara K and Uchida T (2018) Prolyl isomerase Pin1 is required sperm production by promoting mitosis progression of spermatogonial stem cells.

Biochem.Biophys.Res.Commun.497:388-393(査読有)

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